參數(shù)資料
型號: MSM7715
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: Multi-Function Telecommunication LSI
中文描述: 多功能通信大規(guī)模集成電路
文件頁數(shù): 11/21頁
文件大?。?/td> 150K
代理商: MSM7715
Semiconductor
MSM7715
11/21
When the DTMF tone is sent
Figure 2 DTMF Transmit Timing
When the call progress tone (CPT) is detected
TEN
DTG1
DTG2
DTG3
DTG4
DTO
t
SDT
t
HDT
941 Hz + 1447 Hz
Figure 3 Call Progress Tone Detect Timing
AIN
CP
CPW = "1"
CP
400 Hz
CPW = "0"
t
DELCP
t
HOLCP
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